Dental appliance holder



FIG. 1 is a perspective view of a dental appliance holder showing my new design;

FIG. 2 is a front elevation thereof;

FIG. 3 is a left side elevation thereof;

FIG. 4 is a rear elevation thereof;

FIG. 5 is a right side elevation thereof;

FIG. 6 is a top pan view thereof; and,

FIG. 7 is a bottom plan view thereof. 

The ornamental design for a dental appliance holder, as shown and described. 